package net.minecraft.network.play.server;

import java.io.IOException;
import net.minecraft.network.Packet;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.play.INetHandlerPlayClient;
import net.minecraft.util.IChatComponent;

public class S2DPacketOpenWindow implements Packet<INetHandlerPlayClient> {
	private int windowId;
	private String inventoryType;
	private IChatComponent windowTitle;
	private int slotCount;
	private int entityId;

	public S2DPacketOpenWindow() {
	}

	public S2DPacketOpenWindow(int incomingWindowId, String incomingWindowTitle, IChatComponent windowTitleIn) {
		this(incomingWindowId, incomingWindowTitle, windowTitleIn, 0);
	}

	public S2DPacketOpenWindow(int windowIdIn, String guiId, IChatComponent windowTitleIn, int slotCountIn) {
		this.windowId = windowIdIn;
		this.inventoryType = guiId;
		this.windowTitle = windowTitleIn;
		this.slotCount = slotCountIn;
	}

	public S2DPacketOpenWindow(int windowIdIn, String guiId, IChatComponent windowTitleIn, int slotCountIn,
			int incomingEntityId) {
		this(windowIdIn, guiId, windowTitleIn, slotCountIn);
		this.entityId = incomingEntityId;
	}

	/**
	 * Passes this Packet on to the NetHandler for processing.
	 */
	public void processPacket(INetHandlerPlayClient handler) {
		handler.handleOpenWindow(this);
	}

	/**
	 * Reads the raw packet data from the data stream.
	 */
	public void readPacketData(PacketBuffer buf) throws IOException {
		this.windowId = buf.readUnsignedByte();
		this.inventoryType = buf.readStringFromBuffer(32);
		this.windowTitle = buf.readChatComponent();
		this.slotCount = buf.readUnsignedByte();

		if (this.inventoryType.equals("EntityHorse")) {
			this.entityId = buf.readInt();
		}
	}

	/**
	 * Writes the raw packet data to the data stream.
	 */
	public void writePacketData(PacketBuffer buf) throws IOException {
		buf.writeByte(this.windowId);
		buf.writeString(this.inventoryType);
		buf.writeChatComponent(this.windowTitle);
		buf.writeByte(this.slotCount);

		if (this.inventoryType.equals("EntityHorse")) {
			buf.writeInt(this.entityId);
		}
	}

	public int getWindowId() {
		return this.windowId;
	}

	public String getGuiId() {
		return this.inventoryType;
	}

	public IChatComponent getWindowTitle() {
		return this.windowTitle;
	}

	public int getSlotCount() {
		return this.slotCount;
	}

	public int getEntityId() {
		return this.entityId;
	}

	public boolean hasSlots() {
		return this.slotCount > 0;
	}
}
